<!--
 * @Description: 
 * @Author: charles
 * @Date: 2021-05-05 22:02:56
 * @LastEditors: wjn
 * @LastEditTime: 2022-01-07 15:54:28
-->
<template>
  <div ref="right2_container" style="height: 95%"></div>
</template>

<script>
import {Gauge} from "@antv/g2plot";

export default {
  data() {
    return {
      dataArr: [],
      percent:0
    };
  },
  created() {
    //钩子函数
  },
  mounted() {
    this.initChart();
  },
  methods: {
    initChart() {
      const ticks = [0, 1 / 3, 2 / 3, 1];
      const color = ["#F4664A", "#FAAD14", "#30BF78"];
      const gauge = new Gauge(this.$refs.right2_container, {
        percent: this.percent,
        range: {
          ticks: [0, 1],
          color: ["l(0) 0:#F4664A 0.5:#FAAD14 1:#30BF78"],
        },
        indicator: {
          pointer: {
            style: {
              stroke: "#D0D0D0",
            },
          },
          pin: {
            style: {
              stroke: "#D0D0D0",
            },
          },
        },
        statistic: {
          title: {
            formatter: ({ percent }) => {
              if (percent < ticks[1]) {
                return "差";
              }
              if (percent < ticks[2]) {
                return "中";
              }
              return "优";
            },
            style: ({ percent }) => {
              return {
                fontSize: "20px",
                lineHeight: 1,
                color: percent < ticks[1] ? color[0] : percent < ticks[2] ? color[1] : color[2],
              };
            },
          },
          content: {
            offsetY: 16,
            style: {
              fontSize: "14px",
              color: "#4B535E",
            },
            formatter: () => "空气质量",
          },
        },
      })
      gauge.render()
      setInterval(()=>{
        if(this.percent < 0.5){
          this.percent+=0.01
        }else{
          this.percent = 0.5
        }
      },50)
    },
  },
};
</script>

<style scoped>
</style>